Universal button module



FIG. 1 is a front perspective view of a universal button module showingour new design;

FIG. 2 is a top planar view of the universal button module shown in FIG.1;

FIG. 3 is a side elevational view of the universal button module shownin FIG. 1; and,

FIG. 4 is a front elevational view of the universal button module shownin FIG. 1.

The broken lines showing a button display in FIG. 2 are for illustrativepurposes only and form no part of the claimed design.

The ornamental design for a universal button module, as shown anddescribed.